This is a brief description according to Microsoft site for the vcredist_x86.exe:The Microsoft Visual C++ 2008 Redistributable Package (x86) installs runtime components of Visual C++ Libraries required to run applications developed with Visual C++ on a computer that does not have Visual C++ 2008 installed.

Run the file from the location where it was installed. If any window asks "are you sure you want to run this exe file?", ...yes, you are sure:

Next, you should get the following license agreement, which you should accept:

Final stage - launch the service or the YateClient:

You will now have an icon on your desktop - double click it and start the application.